Keywords: Ottoman or Persian - Turban helmet - Walters 5169.jpg mid 15th-16th century Early Modern steel cm 34 6 21 6 diam accession number 51 69 40484 Arsenal of Constantinople Dikran Kelekian New York and Paris date and mode of acquisition unknown Henry Walters city Baltimore Walters Art Museum 1931 by bequest Acquired by Henry Walters 1911 place of origin northwest Iran Persian or Turkey Ottoman Walters Art Museum license Indo-Persian armour in the Walters Art Museum Islamic metalwork in the Walters Art Museum 15th-century helmets Turban helmets |